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/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 2021 Todd C. Miller <Todd.Miller@sudo.ws>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <stdlib.h>
#if defined(HAVE_STDINT_H)
# include <stdint.h>
#elif defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#endif
#include <string.h>
#include <unistd.h>
#define SUDO_ERROR_WRAP 0
#include "sudo_compat.h"
#include "sudo_fatal.h"
#include "sudo_util.h"
sudo_dso_public int main(int argc, char *argv[]);
/*
* Test that sudo_uuid_create() generates a variant 1, version 4 uuid.
*/
/* From RFC 4122. */
struct uuid {
uint32_t time_low;
uint16_t time_mid;
uint16_t time_hi_and_version;
uint8_t clock_seq_hi_and_reserved;
uint8_t clock_seq_low;
uint8_t node[6];
};
int
main(int argc, char *argv[])
{
int ch, errors = 0, ntests = 0;
union {
struct uuid id;
unsigned char u8[16];
} uuid;
initprogname(argc > 0 ? argv[0] : "uuid_test");
while ((ch = getopt(argc, argv, "v")) != -1) {
switch (ch) {
case 'v':
/* ignore */
break;
default:
fprintf(stderr, "usage: %s [-v]\n", getprogname());
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
/* Do 16 passes. */
for (ntests = 0; ntests < 16; ntests++) {
sudo_uuid_create(uuid.u8);
/* Variant: two most significant bits (6 and 7) are 0 and 1. */
if (ISSET(uuid.id.clock_seq_hi_and_reserved, (1 << 6))) {
sudo_warnx("uuid bit 6 set, should be clear");
errors++;
continue;
}
if (!ISSET(uuid.id.clock_seq_hi_and_reserved, (1 << 7))) {
sudo_warnx("uuid bit 7 clear, should be set");
errors++;
continue;
}
/* Version: bits 12-15 are 0010. */
if ((uuid.id.time_hi_and_version & 0xf000) != 0x4000) {
sudo_warnx("bad version: 0x%x", uuid.id.time_hi_and_version & 0xf000);
errors++;
continue;
}
}
if (ntests != 0) {
printf("%s: %d tests run, %d errors, %d%% success rate\n",
getprogname(), ntests, errors, (ntests - errors) * 100 / ntests);
}
return errors;
}
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